Problem: Engine management light keeps coming on VAG-Com to diagnose
16556 - Fuel Trim; Bank 1: System Too Rich P0172 - 35-10 - - - IntermittentAutodata reports possible cause: EVAP Canister Purge Valve, Fuel Pressure, Injector(s), HO2S
Anyone had this before & know where to start without replacing the valve or injectors
A C schrieb:
A C schrieb:
adjustment,before you do this check out the channel 6 readings,the fourth grouping should be between -10% and + 10%.when not carry out the above changes.
check channel 6 readings,the fourth should be between -10% and
+10%,when not change the airflow meter and have a basic settings reset by VAGMotorsForum website is not affiliated with any of the manufacturers or service providers discussed here. All logos and trade names are the property of their respective owners.